#API-FLOAT-CONTAINER,
#API-FLOAT-CONTAINER ins,
#API-FLOAT-CONTAINER em,
#API-FLOAT-CONTAINER a,
#API-FLOAT-CONTAINER input
{
	width: auto;
	height: auto;
	margin: 0;
	padding: 0;

	background-color: transparent;
	background-position: 0% 0%; 
	background-size: auto; 
	background-repeat: repeat;
	background-origin: padding-box; 
	background-clip: border-box; 
	background-attachment: scroll; 
	background-image: none;

	border: none;
	outline: invert none medium;

	color: black;
	direction: ltr;
	letter-spacing: normal;
	line-height: normal;
	text-align: left;
	text-decoration: none;
	text-indent: 0;
	text-transform: none;
	white-space: normal;
	word-spacing: normal;

	font-size: 12px;
	font-family: Tahoma,"宋体",Helvetica,sans-serif;
	font-size-adjust: none;
	font-stretch: normal;
	font-style: normal;
	font-variant: normal;
	font-weight: normal;

	visibility: visible;
	overflow:  visible;

	list-style: none;

	float: none;
	clear: none;

	display: block;
	position: static;
	top: auto;
	left: auto;

	vertical-align: baseline;

	-moz-box-sizing: content-box;  
	-webkit-box-sizing: content-box; 
	-o-box-sizing: content-box; 
	-ms-box-sizing: content-box; 
	box-sizing: content-box;
}

/*fixed for IE6*/
*html,
*html body { 
	background-image:url(about:blank);
	background-attachment:fixed
}
/*数值用来控制浮窗位置*/
.api-float-pos-fixed {
	_position:absolute;
	_left:expression(eval(document.documentElement.scrollLeft+0));
	_top:expression(eval(document.documentElement.scrollTop+50))
}

/*浮窗容器*/
#API-FLOAT-CONTAINER,
#API-FLOAT-CONTAINER * {
	padding: 0;
	margin: 0;
}
#API-FLOAT-CONTAINER {
	position: fixed;
	z-index: 1000;
}

/*说明文字*/
#API-FLOAT-CONTAINER .api-info {
	margin:20px auto 0;
}
#API-FLOAT-CONTAINER .api-info em {
	text-align:center;
	line-height: 100%; 
	text-align: center;
}

/*浮窗背景图片*/
#API-FLOAT-CONTAINER .api-bg-img {
	margin:10px auto 0;
	text-align: center;
}

/*400电话*/
#API-FLOAT-CONTAINER .api-phone {
	margin:10px auto 0;
}
#API-FLOAT-CONTAINER .api-phone em {
	text-align:center;
	line-height: 100%; 
}

/*其他链接的按钮区域*/
#API-FLOAT-CONTAINER .api-link-btn-con {
	margin:10px auto 0;
	text-align:center;
}
#API-FLOAT-CONTAINER .api-link-btn-con a {
	height:26px;
	line-height:26px;
	display:inline-block;
	*display:inline;
	*zoom:1;
	margin-bottom:10px;
	font-size:14px;
	font-family: 'Microsoft Yahei';
	vertical-align:middle;
	text-align:center;
	text-decoration:none;
}

/*离线宝回呼区域*/
#API-FLOAT-CONTAINER .api-lxb-cb-con {
	margin:10px auto 20px;
	text-align:center;
}
#API-FLOAT-CONTAINER input.api-lxb-cb-input {
	height: 25px;
	line-height: 25px;
	margin: 0 auto 10px;
}
#API-FLOAT-CONTAINER input.api-lxb-cb-btn {
	height: 28px;
	line-height: 26px;
	font-size: 14px;
	font-family: 'Microsoft Yahei';
	text-align: center;
	margin: 0 auto 10px;
	white-space: pre;
	border: none;
	cursor: pointer;
	background: url(../images/api_lxb_cb_btn_bg.png) 5px 3px no-repeat; 
	border-bottom: 2px solid #25a6e9;
}
<!--浮窗样式结束-->